CC2544 Datasheet, PDF (10/30 Pages) Texas Instruments – System-on-Chip for 2.4-GHz USB Applications

CC2544
SWRS103D – JUNE 2011 – REVISED MAY 2012
SPI AC CHARACTERISTICS (continued)
T_A = –40°C to 85°C, VDD = 2 V to 3.6 V
PARAMETER
TEST CONDITIONS
SCK duty cycle
Slave
t₁₀ MOSI setup
t₁₁ MOSI hold
t₈
MISO early out
t₉
MISO late out
Slave
Slave
Slave, load = 10 pF
Slave, load = 10 pF
Master, TX only
Operating frequency
Master, RX and TX
Slave, RX only
Slave, RX and TX
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MIN
TYP MAX UNIT
50%
ns
35
ns
10
ns
0 ns
95 ns
8
4
MHz
8
4
SCK
SSN
MOSI
MISO
X
t₂
t₃
D0
t₆
t₇
D0
t₄
t₅
X
D1
X
Figure 2. SPI Master AC Characteristics
T0478-01
SCK
SSN
MISO
MOSI
X
t₂
t₃
D0
t₁₀
t₁₁
D0
t₈
t₉
X
D1
X
Figure 3. SPI Slave AC Characteristics
T0479-01
10
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